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General presentation

Background

The real estate group 6eme Sens acquired the iconic Citroën garage located in the heart of Lyon, which was considered to be the largest garage in the world when it was created. This building was described by Maurice-Jacques Ravazé in 1932 as a veritable car temple. Objective: To preserve the identity of this building registered as a historic monument by transforming it into an office building that incorporates all the criteria for sustainable development.

Our response

Designated as the “New Deal”, the reclassification of this iconic building in the Lyonnais landscape required returning to the original spirit in order to capture the quintessence of its original qualities. Thus, the Hall of Honor has recovered all of its former grandeur, the ramps encircling the building were preserved to serve as parking spaces and the five levels were converted to accommodate offices, a college or even a co-working space.

Architectural Mission

On the sides of buildings in France, the essential issue of this complex project was to provide the functionality for various future users without altering the original flow and volumes. Concerning the patios created on each floor to convey light, the concrete post and beam structure was left exposed and all the metal components made by Jean Prouvé – guardrails, main gate – were upgraded.

The program has made it possible to bring comfort, accessibility, and modernity to this 1930s era building. The acoustics were particularly thorough, as well as the improved thermal insulation and installation of a heat pump. Throughout the construction site, several environmental performance criteria were followed to obtain the BREEAM certification.

Technical Description

Client

6eme Sens Immobilier

Area

32,000 m2

Budget

€ 38 million

Environmental Performance

  • BREEAM Excellent
  • SIMI 2015 Grand Prize Winner, renovated building category.

Arching Mission

  • Architectural design (SUD Architectes / Alep Architectes)
  • Construction site coordination

 

See the project